Mineral Fillers & Pigments Available to Source

Tripotassium Phosphate

CAS 7778-53-2 · MF K3O4P · MW 212.266 g/mol

Tripotassium Phosphate (TKP) is a strongly alkaline potassium salt with properties similar to trisodium phosphate. It is used as a cleaning agent, pH

SDS / TDS Download
CAS Number
7778-53-2
Molecular Formula
K3O4P
Molecular Weight
212.266 g/mol
Material Family
Mineral Fillers & Pigments
Functional Roles
Physical Properties
solubility
Freely soluble in water. Insoluble in ethanol
ph
Between 11,5 and 12,3 (1 % solution)
GHS / SDS Safety Danger
Irritant Corrosive
  • H315 (78.1%): Causes skin irritation [Warning Skin corrosion/irritation]
  • H319 (74.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (86.3%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H302: Harmful if swallowed [Warning Acute toxicity, oral]
  • H318: Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H318 (22.1%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
  • H319 (95.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H314: Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
Chemical Identity
CAS Number7778-53-2
IUPAC Nametripotassium;phosphate
InChI KeyLWIHDJKSTIGBAC-UHFFFAOYSA-K
PubChem CID 62657
INCI NameTRIPOTASSIUM PHOSPHATE
Synonyms & Trade Names
Tripotassium phosphate Potassium phosphate tribasic Tripotassium orthophosphate Phosphoric acid, tripotassium salt Potassium orthophosphate Potassium phosphate, tribasic Caswell No. 700A Potassium phosphate (K3PO4) tribasic potassium phosphate Potassium pentahydrogen bis(phosphate) EPA Pesticide Chemical Code 076407 16D59922JU Phosphoric acid potassium salt (1:3) Potassium phosphate, anhydrous
Full Description

Tripotassium Phosphate (TKP) is a strongly alkaline potassium salt with properties similar to trisodium phosphate. It is used as a cleaning agent, pH